title: [The four year rule and humanitarian medical practice].
authors.forename: Sigurd Wiingaard
authors.initials: SW
authors.lastname: Uldall
mesh_terms: D003718:Denmark; D004503:Education, Medical, Graduate / Q000331:legislation & jurisprudence* / Q000458:organization & administration; D006801:Humans; D008493:Medical Missions / Q000331:legislation & jurisprudence*; D013995:Time